During the Q&A portion of Tesla's annual shareholder meeting last week, CEO Elon Musk said something that caught our ear: "I'm contemplating doing something fairly significant on that front [promoting EVs] which should be kind of controversial with respect to Tesla's patents. But I probably want to write something so that I can take articulate it properly and explain the reasoning for the decision." We immediately asked Tesla for more information but it was the BBC that got to question Musk